<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div id="app">
        <div v-if="books.length">
            <table>
                <!-- thead是表头 -->
                <thead>
                    <tr>
                        <th>序号</th>
                        <th>书籍名称</th>
                        <th>出版日期</th>
                        <th>价格</th>
                        <th>购买数量</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(item, index) in books">
                       <!-- <td v-for="value in item">{{ value }}</td>  -->
                       <td>{{item.id}}</td>
                       <td>{{item.name}}</td>
                       <td>{{item.date}}</td>
                       <!-- <td>{{'￥' + item.price.toFixed(2)}}</td> 这样写也可以保留俩位小数 -->
                       <!-- 使用过滤器 -->
                       <td>{{item.price | showPrice}}</td>
                       <td>
                           <button @click="decrement(index)" :disabled="item.count<=1">-</button>
                           {{item.count}}
                           <button @click="increment(index)">+</button>
                        </td>
                        <td><button @click="removeHandle()">移除</button></td>
    
                    </tr>
                </tbody>
            </table>
            <h2>总价格：{{totalPrice | showPrice}}</h2>
        </div>
        <h2 v-else>购物车为空</h2>
    </div>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
    <script src="index.js"></script>
</body>
</html>